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Check return codes properly.

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This commit is contained in:
Dr. Stephen Henson 2011-09-29 16:24:00 +00:00
parent 54bb3f68e1
commit 884c33b5c4
1 changed files with 5 additions and 5 deletions
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10
fips/rand/fips_drbg_ec.c
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@ -218,7 +218,7 @@ static int drbg_ec_mul(DRBG_EC_CTX *ectx, BIGNUM *r, const BIGNUM *s, int use_q)
if (!EC_POINT_get_affine_coordinates_GFp(ectx->curve, ectx->ptmp, r,
NULL, ectx->bctx))
return 0;
return 0;
return 1;
}
static int drbg_ec_instantiate(DRBG_CTX *dctx,
@ -244,7 +244,7 @@ static int drbg_ec_reseed(DRBG_CTX *dctx,
/* Check if we have a deferred s = s * P */
if (ectx->sp_defer)
{
if (drbg_ec_mul(ectx, ectx->s, ectx->s, 0))
if (!drbg_ec_mul(ectx, ectx->s, ectx->s, 0))
return 0;
ectx->sp_defer = 0;
}
@ -281,7 +281,7 @@ static int drbg_ec_generate(DRBG_CTX *dctx,
/* Check if we have a deferred s = s * P */
if (ectx->sp_defer)
{
if (drbg_ec_mul(ectx, s, s, 0))
if (!drbg_ec_mul(ectx, s, s, 0))
goto err;
ectx->sp_defer = 0;
}
@ -323,13 +323,13 @@ static int drbg_ec_generate(DRBG_CTX *dctx,
for (;;)
{
/* Step #6, calculate s = t * P */
if (drbg_ec_mul(ectx, s, t, 0))
if (!drbg_ec_mul(ectx, s, t, 0))
goto err;
#ifdef EC_DRBG_TRACE
bnprint(stderr, "s in generate: ", ectx->s);
#endif
/* Step #7, calculate r = s * Q */
if (drbg_ec_mul(ectx, r, s, 1))
if (!drbg_ec_mul(ectx, r, s, 1))
goto err;
#ifdef EC_DRBG_TRACE
bnprint(stderr, "r in generate is: ", r);